128

Properties by base:

Base 10128 (3 digits)
Digit Sum: 11
Digital Root: 2 sad
Base 20b10000000 (8 digits)
Digit Sum: 0b1
Digital Root: 0b1 always happy
Base 80200 (3 digits)
Digit Sum: 02
Digital Root: 02 sad
Base 160x80 (2 digits)
Digit Sum: 0x8
Digital Root: 0x8 happy

More about this number at Positiv Integers and Number Empire.

The number is not a prime.

Its 7 (1 unique) factors are:
27 = 128

Its 8 divisors are:
1
2
4
8
16
32
64
128
Its aliquote sum is:
127
makeing it a deficient number.

In HTML this number represents this color:  
#000080
 

In the work of Johann Sebastian Bach BWV 128 is Auf Christi Himmelfahrt allein

The number appears at position 148 of the decimal digits of π surrounded by
0955058223172535940812848111745028410270193 Source: The Pi-Search Page

Computations done with Math::BigInt 1.999811 and Math::Pari 2.030523 based on PARI/GP 2.11.3 (elapsed: 944.604ms; cpu: 96.976999999999ms)


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